CN103204083A - Electric car and power drive system thereof - Google Patents

Electric car and power drive system thereof Download PDF

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Publication number
CN103204083A
CN103204083A CN2013101198759A CN201310119875A CN103204083A CN 103204083 A CN103204083 A CN 103204083A CN 2013101198759 A CN2013101198759 A CN 2013101198759A CN 201310119875 A CN201310119875 A CN 201310119875A CN 103204083 A CN103204083 A CN 103204083A
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CN
China
Prior art keywords
axle
rotor
outer rotor
output shaft
drive system
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Granted
Application number
CN2013101198759A
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Chinese (zh)
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CN103204083B (en
Inventor
王之风
王冰
乐志国
刘宗巍
赵福全
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
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Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201310119875.9A priority Critical patent/CN103204083B/en
Publication of CN103204083A publication Critical patent/CN103204083A/en
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Publication of CN103204083B publication Critical patent/CN103204083B/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Abstract

The invention provides a power drive system of an electric car. The power drive system comprises a motor assembly, a front axle assembly, a rear axle assembly, a control device, and an energy storage device. The motor assembly comprises a double-rotor motor which comprises an inner rotor and an outer rotor. One of an output shaft of the inner rotor and an output shaft of the outer rotor is connected with the front axle assembly to supply power to the same. The other one of the output shaft of the inner rotor and the output shaft of the outer rotor is connected with the rear axle assembly to supply power to the same. The control device is connected with both the double-rotor motor and the energy storage device. The invention further provides an electric car with the power drive system. The four drive function can be imparted to the electric car and the power drive system thereof by one motor set. The electric car and the power drive system thereof are simple in structure, light in weight, small in size and flexible to distribute, and precious space of the electric car can be saved.

Description

A kind of electronlmobil and power-driven system thereof
Technical field
The invention relates to new forms of energy vehicle technology field, and particularly about a kind of electronlmobil and power-driven system thereof.
Background technology
Vehicle has had the history in more than 100 year since invention.In in the past more than 100 year, vehicle technology has had the development of advancing by leaps and bounds.The kind of vehicle is more and more, and its function also more and more represents high-tech degree and hommization mode simultaneously, thereby provides a convenient, comfortable taking advantage of drive route.
Along with people strengthen the energy and environmental protection ideas, electronlmobil becomes a research focus of automobile industry gradually.It is power that electronlmobil refers to the vehicle power, travels with power wheel, meets the vehicle of arteries of communication, the every requirement of legislative control on safety.Because less to the relative orthodox car of environmental concerns, its prospect is extensively had an optimistic view of.
But, for traditional electric automobile, also have some technical bottlenecks.For example, the better four-drive electric car of crossing ability is currently realized by hybrid power and the quantity that increases wheel motor (or wheel hub motor) often.As everyone knows, in order to promote the limited continual mileage of electronlmobil, should reduce parts as far as possible, expendable weight, and the many covers motor that increases can increase car weight undoubtedly, this makes that the continual mileage of electronlmobil is rareer to promoting.And traditional wheel motor complex structure be unfavorable for the layout of suspension fork mechanism, and wheel hub motor will increase the unsprung weight of automobile greatly, thereby cause the frame of electronlmobil to take advantage of traveling comfort to reduce.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide and a kind ofly can either realize the 4 wheel driven function, can not increase the power-driven system of the weight of electronlmobil and the electronlmobil with this power-driven system again.
The invention provides a kind of electric powered motor drive system, comprise motor assembly, front axle assy, back axle assembly, control setup, and accumulator, described motor assembly comprises double-rotor machine; Described double-rotor machine comprises internal rotor and outer rotor; Described internal rotor output shaft is connected with described front axle assy with an outer rotor output shaft side wherein, provides power to described front axle assy; Described internal rotor output shaft is connected with described back axle assembly with outer rotor output shaft the opposing party wherein, provides power to described back axle assembly; Described control setup is connected with described accumulator with described double-rotor machine respectively.
In one embodiment of the invention, aforesaid motor assembly also comprises internal rotor drg and internal rotor power-transfer clutch.
In one embodiment of the invention, aforesaid internal rotor output shaft is connected with the propons axle drive shaft of described front axle assy or the rear-axle drive axle of described back axle assembly by the internal rotor power-transfer clutch, and described internal rotor drg is arranged on the described internal rotor output shaft.
In one embodiment of the invention, aforesaid motor assembly also comprises outer rotor drg and outer rotor power-transfer clutch.
In one embodiment of the invention, aforesaid outer rotor output shaft is connected with the propons axle drive shaft of described front axle assy or the rear-axle drive axle of described back axle assembly by the outer rotor power-transfer clutch, and described outer rotor drg is arranged on the described outer rotor output shaft.
In one embodiment of the invention, aforesaid motor assembly also comprises the outer rotor backup bearing that is arranged between described outer rotor and the internal rotor output shaft.
In one embodiment of the invention, aforesaid double-rotor machine is permanent magnet DC motor, series DC machine, compositely excited DC machine, perhaps alternating current dynamo.
In one embodiment of the invention, aforesaid accumulator is battery pack, super capacitor, perhaps the combination of super capacitor and battery pack.
In one embodiment of the invention, aforesaid front axle assy also comprises propons axle drive shaft, front axle differential, propons left side jack shaft, the right jack shaft of propons, described propons axle drive shaft connects propons left side jack shaft and the right jack shaft of propons by front axle differential, and provides power to them; Described back axle assembly comprises rear-axle drive axle, rear-axle differential, back axle left side jack shaft, the right jack shaft of back axle, and described rear-axle drive axle connects back axle left side jack shaft and the right jack shaft of back axle by rear-axle differential, and provides power to them.
The present invention also provides a kind of electronlmobil, comprises each described electric powered motor drive system as the aforementioned.
The invention has the beneficial effects as follows, adopt electronlmobil and the power-driven system thereof of the embodiment of the invention, utilize a cover motor can realize the 4 wheel driven function, and namely can realize the conversion of multiple type of drive such as forerunner, rear-guard and 4 wheel driven in conjunction with supporting power-transfer clutch, drg, to satisfy the demand of different usage conditions.And the electronlmobil of the embodiment of the invention and power-driven system thereof are simple in structure, in light weight, and volume is little, and flexible arrangement can be saved the space of pure electric automobile preciousness.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification sheets, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of electronlmobil of the present invention and power-driven system thereof.
Fig. 2 is the perspective view of the preferred embodiment of electronlmobil of the present invention and power-driven system thereof.
Fig. 3 is the perspective view of another angle of the preferred embodiment of electronlmobil of the present invention and power-driven system thereof.
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to the electronlmobil of foundation the present invention proposition and the specific embodiment, structure, feature and the effect thereof of power-driven system thereof, be described in detail as follows:
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.By the explanation of the specific embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, the present invention is limited.
Please refer to Fig. 1 to shown in Figure 3, the power-driven system of the electronlmobil of preferred embodiment of the present invention comprises motor assembly 1, front axle assy 2, back axle assembly 3, control setup 4, and battery pack 5.Control setup 4 for example is connected with battery pack 5 with motor assembly 1 by bus, and motor assembly 1 and battery pack 5 are controlled the control of device 4.
Motor assembly 1 comprises double-rotor machine, and this double-rotor machine can be permanent magnet DC motor, series DC machine, compositely excited DC machine, perhaps alternating current dynamo etc.In the present embodiment, this double-rotor machine is the brushless, permanently double-rotor machine.Double-rotor machine comprises stator (not shown), internal rotor 12, outer rotor 14, the internal rotor output shaft 121 of coaxial setting, and outer rotor output shaft 141.When double-rotor machine was switched on, the torque of internal rotor output shaft 121 and 141 outputs of outer rotor output shaft equated that direction is opposite.Motor assembly 1 also comprises internal rotor drg 122, internal rotor power-transfer clutch 124, and outer rotor drg 142, outer rotor power-transfer clutch 144, outer rotor backup bearing 146.Internal rotor drg 122 and outer rotor drg 142 can be magnet stoppers.In the present embodiment, internal rotor output shaft 121 connects front axle assy 2 by internal rotor power-transfer clutch 124, and internal rotor drg 122 is arranged on the internal rotor output shaft 121.Outer rotor output shaft 141 connects back axle assembly 3 by outer rotor power-transfer clutch 144, and outer rotor drg 142 is arranged on the outer rotor output shaft 141.Outer rotor backup bearing 146 is arranged between outer rotor 14 and the internal rotor output shaft 121, supporting outer rotor 14.
Front axle assy 2 comprises propons axle drive shaft 22, front axle differential 24, propons left side jack shaft 26, the right jack shaft 28 of propons, and the near front wheel 291 and off front wheel 292.Propons axle drive shaft 22 first ends connect propons left side jack shaft 26 and the right jack shaft 28 of propons by be connected internal rotor output shaft 121, the second ends with internal rotor power-transfer clutch 124 by internal rotor drg 122 by front axle differential 24.The right jack shaft 28 coaxial settings of propons left side jack shaft 26 and propons, and with the 22 vertical settings of propons axle drive shaft.The near front wheel 291 and off front wheel 292 are separately positioned on propons left side jack shaft 26 and right jack shaft 28 ends of propons.
Back axle assembly 3 comprises rear-axle drive axle 32, rear-axle differential 34, back axle left side jack shaft 36, the right jack shaft 38 of back axle, and left rear wheel 391 and off hind wheel 392.Rear-axle drive axle 32 first ends are connected outer rotor output shaft 141, the second ends by outer rotor drg 142 and connect back axle left side jack shaft 36 and the right jack shaft 38 of back axle by rear-axle differential 34 with outer rotor power-transfer clutch 144.The right jack shaft 38 coaxial settings of back axle left side jack shaft 36 and back axle, and with the 32 vertical settings of rear-axle drive axle.Left rear wheel 391 and off hind wheel 392 are separately positioned on back axle left side jack shaft 36 and right jack shaft 38 ends of back axle.
Battery pack 5 is preferably power battery pack, is controlled the control of device 4, is used for storing electric power.
The electronlmobil of preferred embodiment of the present invention comprises above-mentioned power-driven system, and it will be clear to those of skill in the art that other necessary system and the device that constitutes electronlmobil.
Like this, when needs are arranged to the 4 wheel driven state with electronlmobil that internal rotor power-transfer clutch 124 and outer rotor power-transfer clutch 144 is all closed, and internal rotor drg 122 and outer rotor drg 142 are all disconnected.When 5 power supplies of control setup 4 control battery pack, internal rotor 12 and outer rotor 14 together rotate, and the torque of generation equates that rotating speed is by control setup 4 controls.The torque that internal rotor 12 produces is delivered to the propons axle drive shaft 22 of front axle assy 2 by internal rotor output shaft 121, propons axle drive shaft 22 is given propons left side jack shaft 26 and the right jack shaft 26 of propons by front axle differential 24 with torque distribution again, thereby torque outputs to the near front wheel 291 and off front wheel 292 respectively.And the torque that outer rotor 14 produces is delivered to the rear-axle drive axle 32 of back axle assembly 3 by outer rotor output shaft 141, rear-axle drive axle 32 is given back axle left side jack shaft 36 and the right jack shaft 36 of back axle by rear-axle differential 34 with torque distribution again, thereby torque outputs to left rear wheel 391 and off hind wheel 392 respectively.
When needs are arranged to forerunner's state with electronlmobil, with internal rotor power-transfer clutch 124 and outer rotor drg 142 closures, and outer rotor power-transfer clutch 144 and internal rotor drg 122 are all disconnected.When 5 power supplies of control setup 4 control battery pack, internal rotor 12 rotates, and outer rotor 14 is by 142 brakings of outer rotor drg.Therefore, this moment, outer rotor 14 did not rotate.The rotating speed of internal rotor 12 is by control setup 4 controls.The torque that internal rotor 12 produces is delivered to the propons axle drive shaft 22 of front axle assy 2 by internal rotor output shaft 121, propons axle drive shaft 22 is given propons left side jack shaft 26 and the right jack shaft 26 of propons by front axle differential 24 with torque distribution again, thereby torque outputs to the near front wheel 291 and off front wheel 292 respectively.This is forerunner's state.
When needs are arranged to the rear-guard state with electronlmobil, with outer rotor power-transfer clutch 144 and internal rotor drg 122 closures, and internal rotor power-transfer clutch 124 and outer rotor drg 142 are all disconnected.When 5 power supplies of control setup 4 control battery pack, outer rotor 14 rotates, and internal rotor 12 is by 122 brakings of internal rotor drg.Therefore, this moment, internal rotor 12 did not rotate.The rotating speed of outer rotor 14 is by control setup 4 controls.The torque that outer rotor 14 produces is delivered to the rear-axle drive axle 32 of back axle assembly 3 by outer rotor output shaft 141, rear-axle drive axle 32 is given back axle left side jack shaft 36 and the right jack shaft 36 of back axle by rear-axle differential 34 with torque distribution again, thereby torque outputs to left rear wheel 391 and off hind wheel 392 respectively.This is the rear-guard state.
Like this, adopt electronlmobil and the power-driven system thereof of the embodiment of the invention, utilize a cover motor can realize the 4 wheel driven function, and namely can realize the conversion of multiple type of drive such as forerunner, rear-guard and 4 wheel driven in conjunction with supporting power-transfer clutch, drg, to satisfy the demand of different usage conditions.And the electronlmobil of the embodiment of the invention and power-driven system thereof are simple in structure, in light weight, and volume is little, and flexible arrangement can be saved the space of pure electric automobile preciousness.
Be appreciated that, in other embodiment of the electronlmobil of the embodiment of the invention and power-driven system thereof, also can be that internal rotor output shaft 121 is connected back axle assembly 3 by internal rotor drg 122 with internal rotor power-transfer clutch 124, and outer rotor output shaft 141 be connected front axle assy 2 by outer rotor drg 142 with outer rotor power-transfer clutch 144.That is, internal rotor output shaft 121 is to back axle assembly 3 outputting powers, and outer rotor output shaft 141 is to front axle assy 2 outputting powers.
Be appreciated that equally motor assembly 1 can be arranged in optional position between front axle assy 2 and the back axle assembly 3 in other embodiment of the electronlmobil of the embodiment of the invention and power-driven system thereof, any distribution of axle drive shaft wheelbase before and after can realizing.Being further appreciated that in other embodiment of the electronlmobil of the embodiment of the invention and power-driven system thereof, can not be by battery pack 5, but by super capacitor, perhaps accumulator is served as in the combination of super capacitor and battery pack.
The above, only be embodiments of the invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (10)

1. an electric powered motor drive system comprises motor assembly (1), and front axle assy (2), back axle assembly (3), control setup (4), and accumulator is characterized in that described motor assembly (1) comprises double-rotor machine; Described double-rotor machine comprises internal rotor (12) and outer rotor (14); Described internal rotor output shaft (121) is connected with described front axle assy (2) with outer rotor output shaft (a 141) side wherein, provides power to described front axle assy (2); Described internal rotor output shaft (121) is connected with described back axle assembly (3) with outer rotor output shaft (141) the opposing party wherein, provides power to described back axle assembly (3); Described control setup (4) is connected with described accumulator with described double-rotor machine respectively.
2. electric powered motor drive system as claimed in claim 1 is characterized in that, described motor assembly (1) also comprises internal rotor drg (122) and internal rotor power-transfer clutch (124).
3. electric powered motor drive system as claimed in claim 2, it is characterized in that, described internal rotor output shaft (121) is connected with the propons axle drive shaft (22) of described front axle assy (2) or the rear-axle drive axle (32) of described back axle assembly (3) by internal rotor power-transfer clutch (124), and described internal rotor drg (122) is arranged on the described internal rotor output shaft (121).
4. electric powered motor drive system as claimed in claim 1 is characterized in that, described motor assembly (1) also comprises outer rotor drg (142) and outer rotor power-transfer clutch (144).
5. electric powered motor drive system as claimed in claim 4, it is characterized in that, described outer rotor output shaft (141) is connected with the propons axle drive shaft (22) of described front axle assy (2) or the rear-axle drive axle (32) of described back axle assembly (3) by outer rotor power-transfer clutch (144), and described outer rotor drg (142) is arranged on the described outer rotor output shaft (141).
6. electric powered motor drive system as claimed in claim 1 is characterized in that, described motor assembly (1) also comprises the outer rotor backup bearing (146) that is arranged between described outer rotor (14) and the internal rotor output shaft (121).
7. electric powered motor drive system as claimed in claim 1 is characterized in that, described double-rotor machine is permanent magnet DC motor, series DC machine, compositely excited DC machine, perhaps alternating current dynamo.
8. electric powered motor drive system as claimed in claim 1 is characterized in that, described accumulator is battery pack (5), super capacitor, perhaps the combination of super capacitor and battery pack (5).
9. electric powered motor drive system as claimed in claim 1, it is characterized in that, described front axle assy (2) also comprises propons axle drive shaft (22), front axle differential (24), propons left side jack shaft (26), the right jack shaft (28) of propons, described propons axle drive shaft (22) connects propons left side jack shaft (26) and the right jack shaft (28) of propons by front axle differential (24), and provides power to them; Described back axle assembly (3) comprises rear-axle drive axle (32), rear-axle differential (34), back axle left side jack shaft (36), the right jack shaft (38) of back axle, described rear-axle drive axle (32) connects back axle left side jack shaft (36) and the right jack shaft (38) of back axle by rear-axle differential (34), and provides power to them.
10. an electronlmobil is characterized in that, comprises as each described electric powered motor drive system of claim 1 to 9.
CN201310119875.9A 2013-04-08 2013-04-08 A kind of electronlmobil and power-driven system thereof Active CN103204083B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104568475A (en) * 2015-02-02 2015-04-29 中南大学 Mobile numerical control model vehicle
CN104972881A (en) * 2014-04-02 2015-10-14 深圳先进技术研究院 Traffic tool with electric drive functions
CN107856532A (en) * 2017-11-03 2018-03-30 江苏银基烯碳能源科技有限公司 Electric automobile
CN108773294A (en) * 2018-06-04 2018-11-09 北京长城华冠汽车科技股份有限公司 The electric vehicle of single motor four-wheel drive is started to walk and travel control method
CN108773295A (en) * 2018-06-04 2018-11-09 北京长城华冠汽车科技股份有限公司 The electric vehicle of single motor four-wheel drive slides control method
CN113339486A (en) * 2021-08-05 2021-09-03 深圳诚一信科技有限公司 Planetary gear power transmission structure for new energy automobile power distribution

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CN101318476A (en) * 2008-06-04 2008-12-10 江西江铃汽车集团实业有限公司 Drive system of four-wheel drive electric vehicle
WO2011076534A1 (en) * 2009-12-22 2011-06-30 Robert Bosch Gmbh Method and device for distributing a driving torque to the wheels of an electrically driven axle of a motor vehicle
CN202669458U (en) * 2012-03-23 2013-01-16 温州大学 Counter-rotating double-rotor motor vehicle drive axle system

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104972881A (en) * 2014-04-02 2015-10-14 深圳先进技术研究院 Traffic tool with electric drive functions
CN104972881B (en) * 2014-04-02 2017-08-11 深圳先进技术研究院 Vehicle with electric functions
CN104568475A (en) * 2015-02-02 2015-04-29 中南大学 Mobile numerical control model vehicle
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CN108773294A (en) * 2018-06-04 2018-11-09 北京长城华冠汽车科技股份有限公司 The electric vehicle of single motor four-wheel drive is started to walk and travel control method
CN108773295A (en) * 2018-06-04 2018-11-09 北京长城华冠汽车科技股份有限公司 The electric vehicle of single motor four-wheel drive slides control method
CN108773294B (en) * 2018-06-04 2020-07-03 北京长城华冠汽车科技股份有限公司 Single-motor four-wheel drive electric automobile starting and running control method
CN113339486A (en) * 2021-08-05 2021-09-03 深圳诚一信科技有限公司 Planetary gear power transmission structure for new energy automobile power distribution

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